Re: [TLS] Delegated Credentials Question about PSS

"Martin Thomson" <mt@lowentropy.net> Wed, 16 October 2019 23:13 UTC

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Date: Wed, 16 Oct 2019 16:13:08 -0700
From: "Martin Thomson" <mt@lowentropy.net>
To: "Nick Sullivan" <nick@cloudflare.com>
Cc: "<tls@ietf.org>" <tls@ietf.org>
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Subject: Re: [TLS] Delegated Credentials Question about PSS
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On Tue, Oct 15, 2019, at 17:13, Nick Sullivan wrote:
> One may note that no matter what the choice is with respect to RSA, 
> this particular wrinkle also applies more broadly. For example, if a 
> client advertises support for ed25519 in "signature_algorithms" in 
> order to support ed25519 delegated credentials, it should also be 
> prepared to receive an ed25519 certificate. 

Good point.  But I'm not sure that I'm happy with that property.